Write a function to group elements of an array by a property.
HardProblem Statement
Write a function to group elements of an array by a property.
Sample Input
[{ name: "Alice", age: 25 }, { name: "Bob", age: 30 }, { name: "Charlie", age: 25 }]Sample Output
{
'25': [ { name: 'Alice', age: 25 }, { name: 'Charlie', age: 25 } ],
'30': [ { name: 'Bob', age: 30 } ]
}
Limits
Time: 2s · Memory: 256 MB
Code Editor
00:00
function groupByProperty<T, K extends keyof T>(arr: T[], property: K): { [key: string]: T[] } {
// Your logic here
}
Input
[{ name: "Alice", age: 25 }, { name: "Bob", age: 30 }, { name: "Charlie", age: 25 }]Expected Output
{
'25': [ { name: 'Alice', age: 25 }, { name: 'Charlie', age: 25 } ],
'30': [ { name: 'Bob', age: 30 } ]
}